| 1 | /*
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| 2 | * Advanced Linux Sound Architecture
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| 3 | *
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| 4 | * FM (OPL2/3) Instrument Format
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| 5 | * Copyright (c) 2000 Uros Bizjak <uros@kss-loka.si>
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| 6 | *
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| 7 | *
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| 8 | * This program is free software; you can redistribute it and/or modify
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| 9 | * it under the terms of the GNU General Public License as published by
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| 10 | * the Free Software Foundation; either version 2 of the License, or
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| 11 | * (at your option) any later version.
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| 12 | *
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| 13 | * This program is distributed in the hope that it will be useful,
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | * GNU General Public License for more details.
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| 17 | *
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| 18 | * You should have received a copy of the GNU General Public License
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| 19 | * along with this program; if not, write to the Free Software
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| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 21 | *
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| 22 | */
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| 23 |
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| 24 | #ifndef __SOUND_AINSTR_FM_H
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| 25 | #define __SOUND_AINSTR_FM_H
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| 26 |
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| 27 | #ifndef __KERNEL__
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| 28 | #include <asm/types.h>
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| 29 | #include <asm/byteorder.h>
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| 30 | #endif
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| 31 |
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| 32 | /*
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| 33 | * share types (share ID 1)
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| 34 | */
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| 35 |
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| 36 | #define FM_SHARE_FILE 0
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| 37 |
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| 38 | /*
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| 39 | * FM operator
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| 40 | */
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| 41 |
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| 42 | struct fm_operator {
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| 43 | unsigned char am_vib;
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| 44 | unsigned char ksl_level;
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| 45 | unsigned char attack_decay;
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| 46 | unsigned char sustain_release;
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| 47 | unsigned char wave_select;
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| 48 | };
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| 49 |
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| 50 | /*
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| 51 | * Instrument
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| 52 | */
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| 53 |
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| 54 | #define FM_PATCH_OPL2 0x01 /* OPL2 2 operators FM instrument */
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| 55 | #define FM_PATCH_OPL3 0x02 /* OPL3 4 operators FM instrument */
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| 56 |
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| 57 | struct fm_instrument {
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| 58 | unsigned int share_id[4]; /* share id - zero = no sharing */
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| 59 | unsigned char type; /* instrument type */
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| 60 |
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| 61 | struct fm_operator op[4];
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| 62 | unsigned char feedback_connection[2];
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| 63 |
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| 64 | unsigned char echo_delay;
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| 65 | unsigned char echo_atten;
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| 66 | unsigned char chorus_spread;
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| 67 | unsigned char trnsps;
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| 68 | unsigned char fix_dur;
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| 69 | unsigned char modes;
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| 70 | unsigned char fix_key;
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| 71 | };
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| 72 |
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| 73 | /*
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| 74 | *
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| 75 | * Kernel <-> user space
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| 76 | * Hardware (CPU) independent section
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| 77 | *
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| 78 | * * = zero or more
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| 79 | * + = one or more
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| 80 | *
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| 81 | * fm_xinstrument FM_STRU_INSTR
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| 82 | *
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| 83 | */
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| 84 |
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| 85 | #define FM_STRU_INSTR __cpu_to_be32(('I'<<24)|('N'<<16)|('S'<<8)|'T')
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| 86 |
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| 87 | /*
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| 88 | * FM operator
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| 89 | */
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| 90 |
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| 91 | struct fm_xoperator {
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| 92 | __u8 am_vib;
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| 93 | __u8 ksl_level;
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| 94 | __u8 attack_decay;
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| 95 | __u8 sustain_release;
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| 96 | __u8 wave_select;
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| 97 | };
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| 98 |
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| 99 | /*
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| 100 | * Instrument
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| 101 | */
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| 102 |
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| 103 | struct fm_xinstrument {
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| 104 | __u32 stype; /* structure type */
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| 105 |
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| 106 | __u32 share_id[4]; /* share id - zero = no sharing */
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| 107 | __u8 type; /* instrument type */
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| 108 |
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| 109 | struct fm_xoperator op[4]; /* fm operators */
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| 110 | __u8 feedback_connection[2];
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| 111 |
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| 112 | __u8 echo_delay;
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| 113 | __u8 echo_atten;
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| 114 | __u8 chorus_spread;
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| 115 | __u8 trnsps;
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| 116 | __u8 fix_dur;
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| 117 | __u8 modes;
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| 118 | __u8 fix_key;
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| 119 | };
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| 120 |
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| 121 | #ifdef __KERNEL__
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| 122 |
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| 123 | #include "seq_instr.h"
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| 124 |
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| 125 | int snd_seq_fm_init(struct snd_seq_kinstr_ops * ops,
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| 126 | struct snd_seq_kinstr_ops * next);
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| 127 |
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| 128 | #endif
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| 129 |
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| 130 | /* typedefs for compatibility to user-space */
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| 131 | typedef struct fm_xoperator fm_xoperator_t;
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| 132 | typedef struct fm_xinstrument fm_xinstrument_t;
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| 133 |
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| 134 | #endif /* __SOUND_AINSTR_FM_H */
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